diff --git a/docker-compose.yml b/docker-compose.yml
index dac12b3..0837f41 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -5,12 +5,12 @@ volumes:
 
 services:
   mysql:
-    image: mariadb:latest
+    image: mysql:8.0.31
     environment:
       MYSQL_ALLOW_EMPTY_PASSWORD: "yes"
     volumes:
       - db:/var/lib/mysql
-    ports: [ "127.0.0.1:33306:3306" ]
+    ports: [ "127.0.0.1:33060:3306" ]
   postgres:
     image: postgres:13.4
     environment:
diff --git a/test/dummy/config/database.yml b/test/dummy/config/database.yml
index 5dfa79d..1ef2b9f 100644
--- a/test/dummy/config/database.yml
+++ b/test/dummy/config/database.yml
@@ -50,5 +50,4 @@ development:
 test:
   <<: *default
   database: db/test.sqlite3
-
-<% end %>
\ No newline at end of file
+<% end %>